"The first time I tried it was perfect. One line erased my doubts, my fears and my insecurities. I was euphoric.

"I chased that high on and off, but I never found it again. I found self-hatred. I found pure selfishness. I found bloody noses, heart palpitations and paranoia. I found myself alone on my knees at 6am searching for that one last hit," she said.

Thankfully the new findings suggest that caffeine treatment could be used to help women who are suffering like Christina once was.

As Patricia A. Broderick, PhD, Editor-in-Chief of Journal of Caffeine Research, said: "This is cutting-edge work that has never been shown before. It is critical knowledge relevant to women's reproductive health."

The article is published in 'Journal of Caffeine Research: The International Multidisciplinary Journal of Caffeine Science' and is available to read online here.